Assertion–Reasoning questions have become one of the most concept-testing formats in NEET UG, often deciding the final rank of serious aspirants. Keeping this in mind, we have curated this Assertion-Reasoning practice set strictly based on the previous NEET UG Exam pattern and trends. These questions are designed to test not just factual knowledge but also your depth of understanding and logical linking ability, exactly what NEET now demands.
Q.1. Assertion (A): For two wires of the same material and length, the thinner wire will stretch more under the same load.
Reason (R): Stress is inversely proportional to cross-sectional area.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A. (c) A is true, but R is false.
(d) Both A and R are false.
Q.2. Assertion (A): The Young’s modulus of a perfectly rigid body is infinite.
Reason (R): A perfectly rigid body cannot be deformed under any amount of applied stress.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) Both A and R are false.
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Q.3. Assertion (A): The stress–strain graph for steel is more linear than that for rubber.
Reason (R): Steel obeys Hooke’s law over a larger range of stress compared to rubber.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Q.4. Assertion (A): Polonium does not show a –2 oxidation state.
Reason (R): Polonium is highly metallic in nature and prefers positive oxidation states.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
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Q.5. Assertion (A): Ethyne (C₂H₂) contains one sigma (σ) and two pi (π) bonds between carbon atoms.
Reason (R): Each carbon in ethyne is sp² hybridised.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Q.6.Assertion (A): Ethane (C₂H₆) has a single sigma bond between the two carbon atoms.
Reason (R): Each carbon atom in ethane is sp³ hybridised, forming σ-bonds with four atoms.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Q.7. Assertion (A): Mendel’s law of independent assortment applies only to genes present on different chromosomes.
Reason (R): Genes on the same chromosome always show complete linkage.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation
(c) A is true but R is false
(d) A is false but R is true
Q.8. Statement I: Collenchyma provides mechanical support and flexibility to growing parts of the plant.
Statement II: The cells of collenchyma are dead and have lignified walls.
(1) Both I and II are true.
(2) Both I and II are false.
(3) Statement I is true but Statement II is false.
(4) Statement I is false but Statement II is true.
Q.9. Statement I: Chromosomes become gradually visible under the light microscope during the leptotene stage of prophase I.
Statement II: The diplotene stage begins with the dissolution of the synaptonemal complex.
(1) Both Statement I and Statement II are true.
(2) Both Statement I and Statement II are false.
(3) Statement I is true but Statement II is false.
(4) Statement I is false but Statement II is true.
Q.10. Statement I: Copper-T prevents implantation of the embryo in the uterus.
Statement II: Copper ions released from the device suppress sperm motility and fertilizing capacity.
(1) Both I and II are true, and II is the correct explanation of I.
(2) Both I and II are true, but II is not the correct explanation of I.
(3) I is true but II is false.
(4) I is false but II is true.
Q.11. Statement I: In-vitro fertilization involves fertilization outside the female body and embryo transfer into the uterus.
Statement II: The embryo is transferred to the uterus at the zygote stage.
(1) Both I and II are true.
(2) Both I and II are false.
(3) I is true but II is false.
(4) I is false but II is true.
Q.12. Statement I: Secondary succession occurs on a previously inhabited site that has been disturbed.
Statement II: It begins with pioneer species like lichens and mosses.
(1) Both I and II are true and II explains I.
(2) Both I and II are true but II does not explain I.
(3) I is true but II is false.
(4) I is false but II is true.
If you can confidently solve these high-level Assertion–Reasoning questions, you are already thinking like a top-ranker. Practice such concept-driven questions regularly to sharpen your accuracy, eliminate confusion between facts and explanations, and build a true exam temperament.
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